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细菌影响宿主的进化
2023-12-06You are not just yourself. You are also the thousands of microbes that you carry. In fact, they represent an invisible majority that may be more you t...
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星体的年龄与运行轨道的联系
2023-12-06Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in an ancient globular sta...
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蒸发过程中的一种新机制被发现
2023-12-06Evaporation is so common that everybody thinks it's a well understood phenomenon. Appearances can be, however, deceptive(迷惑的). Recently, a new, ea...
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欧洲海洋中的鱼类稳固上升
2023-12-06The results of a major international effort to assess the status of dozens of European fish stocks find that many of those stocks in the northeast Atl...
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新奇材料能在挤压之下膨胀
2023-12-06If you squeeze a normal object in all directions, it shrinks in all directions. But a few strange materials will actually grow in one dimension when c...
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黑猩猩与大猩猩能记住久远的往事
2023-12-06We humans can remember events in our lives that happened years ago, with those memories often surfacing unexpectedly in response to sensory triggers: ...
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某海洋化合物有对抗炭疽的潜力
2023-12-06A team led by William Fenical at Scripps Institution of Oceanography at UC San Diego has discovered a new chemical compound from an ocean microbe in a...
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离子束极化性的关键
2023-12-06Polarisability determines the force with which an inhomogeneous(不同类的) external electric field acts on the ions of an ion beam. However, it can be quit...
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脑电活动包含记忆环境心境等信息
2023-12-06The information carried by the electrical activity of neurons is a mixture of stored memories, environmental circumstances, and current state of mind,...
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坦桑尼亚灵长目种类大调查
2023-12-06A five-year study by the Wildlife Conservation Society gives new hope to some of the world's most endangered primates by establishing a roadmap to...